BELLOWS SEALED GLOBE VALVES
Operating Media
• Steam
• Superheated water
• LPG, pressured air
• Boiled oil
• Miscellaneous types of gauges(e.g, oxygen,hydrogen,nitrogen,etc.)
• Heat transfer oils
• Chemicals
Benefits
• Asbestos free
• Reliable, leak-tight shut off-in line and the atmosphere
• Unique robust construction principle
• No wear on sealing surfaces
• Insensitive to impurity
• Long service life and optimised life cycle costs
• Excellent regulation of flow
• Maintenance free
• Valve remains in line if replacement of seat rings and internal parts are necessary
Fields of Operation
• District heating
• Energy producing
• Refinery
• Steel production
• Petrocemical
• Chemistry
• Production of tobacco
• Food and beverage
• Pulp and paper
The Sealing System
A stainless steel piston enclosed by two resilient valve ring forms the sealing system. The sealing area is the surface of the piston. The upper valve ring ensures tightness against the atmosphere, while the lower valve ring provides sealing across to ports.
Diameter DN 15-300 (1/2"-10")
Pressure PN 16 - PN 25 - PN 40
Tempature 400 °C max
Material GJL250 Cast Iron
0.7040 Ductile Iron
1.0619 Cast Steel
1.4408 Stainless Steel
Connection Type Flanged DIN EN 1092-2 Screwed DIN EN ISO 228-1 Socket DIN EN 12760
Butt Welded DIN EN 12627
External Dimension Flanged DIN EN 558/1.seri Screwed DIN EN 3202-4/M9 Socket DIN EN 3202-4/M9
Color Cast Iron - Grey
Ductile Iron - Brown
Cast Steel - Dark Blue
Stainless Steel - Metalic